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OPERATOR: <br />• <br />• <br />MINE: <br />DATE OF INSPECTION: <br />u <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br /> <br />COLORADO YAMPA COAL COMPANY <br />MINE 1, MINE 2, ECKMAN PARK <br />a/t9/ 99. <br />~T <br />POND A <br />RISER CREST = 6937.3; LOWEST ROLE = 6933.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: f, 9 3 ` ~'. 3 <br /> <br />Sediment level (% total storage) L S cue <br />Outflow (cfs): s_ ~g ~{ ~ ct 4 Q !I - I ~ <br /> C r S = Q. 8i 83 <br />FEATURES PROBLEM COMMENTS <br /> <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments / <br />Inadequate Vegetation / <br />Outlet Channel Erosion <br /> ~ <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling J~ <br />Cracks or Slides J~ <br />Seepage :/ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged / <br />Faulty Gates, Baffles, Pumps /~ <br />Other i.' <br />ADDITIONAL <br />. MAINTENANCE <br />is/documrnVgrllypnd/Pondirtsp.doc <br />